<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org" >
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <h1>success!</h1><br/>
    <span th:text="'Welcome to our application, ' + ${username} + '!'" >

    </span>
</body>
</html>